diff --git a/Makefile.am b/Makefile.am
index cf96cbb..c4474cb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -265,6 +265,15 @@ t/issue330/issue330.pb-c.c t/issue330/issue330.pb-c.h: $(top_builddir)/protoc-c/
 	$(AM_V_GEN)@PROTOC@ --plugin=protoc-gen-c=$(top_builddir)/protoc-c/protoc-gen-c$(EXEEXT) -I$(top_srcdir) --c_out=$(top_builddir) $(top_srcdir)/t/issue330/issue330.proto
 BUILT_SOURCES += \
 	t/issue330/issue330.pb-c.c t/issue330/issue330.pb-c.h
+
+t_issue330_issue330_SOURCES += \
+	t/issue389/issue389.pb-c.c # Tack onto issue330 since there is no need for a separate binary here
+t/issue389/issue389.pb-c.c t/issue389/issue389.pb-c.h: $(top_builddir)/protoc-c/protoc-gen-c$(EXEEXT) $(top_srcdir)/t/issue389/issue389.proto
+	$(AM_V_GEN)@PROTOC@ --plugin=protoc-gen-c=$(top_builddir)/protoc-c/protoc-gen-c$(EXEEXT) -I$(top_srcdir) --c_out=$(top_builddir) $(top_srcdir)/t/issue389/issue389.proto
+BUILT_SOURCES += \
+	t/issue389/issue389.pb-c.c t/issue389/issue389.pb-c.h
+EXTRA_DIST += \
+	t/issue389/issue389.proto
 endif # BUILD_PROTO3
 EXTRA_DIST += \
 	t/issue330/issue330.proto
diff --git a/t/issue389/issue389.proto b/t/issue389/issue389.proto
new file mode 100644
index 0000000..d731848
--- /dev/null
+++ b/t/issue389/issue389.proto
@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+message EnumIntTest {
+  enum Label {
+    LABEL_1 = 0;
+    LABEL_2 = 1;
+  }
+  oneof label {
+    Label label_label = 123;
+    uint64 label_uint64 = 124;
+  }
+}